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The altitude of a triangle is increasing at a rate of 1.500 centimeters/minute while the area of the triangle is increasing at a rate of 3.000 square centimeters/minute. At what rate is the base of...

When an isosceles triangle is folded so that its vertex is on the midpoint of the base, a trapezoid with an area of 12 square units is formed.Find the area of the original triangle.

A straight road leads from an ocean beach into the nearby hills. The road has a constant upward grade of 7°. After taking this road from the beach for a mile and a quarter, how high above sea level...

A) three angle measures : 22,140,18 degrees b) three side lengths :17,10,21 inches c)three angle measures :72,92,46 degrees  d) two side lengths : 8,4 meters ; include angle :82 degrees E)three...

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in a 45, -45, -90 degree triangle the ratio of the length of the hypotenuse to the length of the side is

Triangle proof Given rs congruent to tu rs perpendicular to st tu perpendicular to uv t is the midpoint of rv prove triangle rst congruent to triangle tuv

How do you find the "balancing point" of a triangle?

I actually don't need the answer as much as how to figure out the problems.  I don't know how to do it with out know another side or angle.

there are two cases to the problem. thats all i know.